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Structural Properties of Anisotropic PtCo(001) and PtFe(001) Thin Films on MgO(001)

Published online by Cambridge University Press:  21 February 2011

Bruce M. Lairson
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Mark R. Visokay
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Sean B. Brennan
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Robert Sinclair
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
Bruce M. Clemens
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305-2205
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Abstract

We report structural properties of PtFe and PtCo intermetallic compounds with perpendicular magnetic anisotropy and a preferred c-axis orientation perpendicular to the film plane, formed from initially epitaxial multilayers. These materials represent particular cases of a more general class of anisotropic magnetic compounds with the CuAu(1) natural superlattice structure. They possess high magneto-optic Kerr rotations and magnetizations, suggesting them as likely candidates for magneto-optic and perpendicular magnetic recording media.

Type
Research Article
Copyright
Copyright © Materials Research Society 1993

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References

1. Treves, D., Jacobs, J. T. and Sawatzky, E., J. Appl. Phys., 46, 2760 (1975).CrossRefGoogle Scholar
2. Lairson, B. M., Visokay, M. R., Sinclair, R., and Clemens, B. M., Appl. Phys. Lett., 62, 639 (1993).CrossRefGoogle Scholar
3. Lairson, B. M., Visokay, M. R., Sinclair, R., and Clemens, B. M., unpublished.Google Scholar
4. Buschow, K. H. I. in Ferromagnetic Materials, Vol. 4, edited by Wohlfarth, E. P. and Buschow, K. H. J., Elsevier Science Publishers B.V. (1988).Google Scholar
5. Lairson, B. M. and Clemens, B. M., unpublished.Google Scholar
6. Lairson, B. M., Visokay, M., Sinclair, R., and Clemens, B. M., Appl. Phys. Lett., 61, 1390 (1992).CrossRefGoogle Scholar
7. Lairson, B. M., Visokay, M. R., Sinclair, R., and Clemens, B. M., this conference.Google Scholar
8. McCurrie, R. A. and Gaunt, P., Proc. Int. Conf. on Magnetism, Nottingham, England, 780, (1964).Google Scholar
9. Visokay, M. R., Lairson, B. M., Clemens, B. M. and Sinclair, R., these proceedings.Google Scholar

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